@AfterEach
  fun tearDown() {
    java.net.Authenticator.setDefault(null)
    System.clearProperty("proxyHost")
    System.clearProperty("proxyPort")
    System.clearProperty("http.proxyHost")
    System.clearProperty("http.proxyPort")
    System.clearProperty("https.proxyHost")
    System.clearProperty("https.proxyPort")
    if (cache != null) {
      cache!!.delete()
    }
  }

  @Test